... ;SUS316 with 10Ni Minimum order quality:1Sets/Style Hygienic stainless steel 3pcs butterfly valve1) Description of valveStandard:SMS,DIN,3A,IDF ... :Normally closed,Nomally opended,and closed by two air flues sperately5)Application:Beer,food,beverage,wine,pharmacy,biology ect.6)Payment Remarks:30 ... :Ms. Sysyy LiuTel:0086-13587646794Fax:0086-0577-8682844 Hygienic stainless steel 3pcs butterfly valve